Joemarin 17 Information, Review, Specs

Joemarin 17 Drawing
Make
Joemarin
Model
17
Builder
Joemarin OY
Designer
Hans Groop
Number Built
470
Production Year(s)
1978 - 1982

The Joemarin 17 stands as a testament to the robust, sea-focused philosophy of Finnish boatbuilding during the late 1970s. Designed by the legendary naval architect Hans Groop—famed for the internationally acclaimed H-Boat—this 17-foot monohull was produced by Joemarin OY in Joensuu between 1978 and 1982. While many vessels of this length are categorized as light-duty daysailers, the Joemarin 17 was engineered as a "pocket cruiser," bridging the gap between a dinghy and a keelboat. Its heavy construction and fixed-keel design reflect the challenging conditions of the Baltic Sea, offering a level of stability and security rarely found in boats under 20 feet. After Joemarin OY ceased production, the molds were reportedly utilized by Salmon Ltd., which continued the model's lineage under the name Salmon 17, a testament to the design's enduring utility.

Sailing Performance & Handling

The sailing characteristics of the Joemarin 17 are defined by its designer’s pedigree. Hans Groop’s influence is evident in the boat’s balanced helm and ability to track well despite its short waterline. Unlike modern, flat-bottomed sportboats of this size, the Joemarin 17 features a traditional hull form with a significant ballast-to-displacement ratio. With a draft of approximately 0.85 meters (2.8 feet), the fixed keel provides a low center of gravity that allows the boat to stand up to its canvas in a stiff breeze.

Owner anecdotes and historical technical summaries often highlight the boat's "big boat" feel. It does not plane; rather, it carves through the water with a steady, predictable motion. While it may lack the light-air agility of a racing dinghy, it excels in moderate to heavy air, where its 650kg (approximate) displacement provides enough momentum to punch through chop. The sail plan is manageable for a solo sailor, typically featuring a high-aspect fractional rig that allows for fine-tuning of the mainsail. Because it is a keelboat, it lacks the "tippiness" of centerboarders, making it a preferred choice for older sailors or those transitioning from larger yachts to something more manageable for single-handed day excursions.

Interior Comfort & Variations

For a vessel measuring just over five meters, the Joemarin 17 offers a surprisingly functional interior, though it remains firmly in the "micro-cruiser" category. The enclosed cabin features two full-length V-berths that extend forward, providing enough space for two adults to overnight comfortably. Headroom is naturally limited, requiring a "sitting only" posture, yet the cabin provides essential protection from the elements—a rarity for 17-footers of this era.

The materials used in the interior reflect the standard Finnish quality of the time, often featuring mahogany or teak trim against white fiberglass liners. Storage is tucked beneath the berths and in small cubbies along the hull sides. While the Joemarin 17 lacks a dedicated galley or head, many owners have customized these spaces with portable stoves or chemical toilets for weekend coastal hopping. There were no major structural interior variations during its Joemarin production run, as the hull was optimized for a single, efficient layout. However, when the design transitioned to Salmon Ltd., minor updates to the interior liners and upholstery were introduced to modernize the aesthetic.

Known Issues & Buyer’s Checklist

Prospective buyers of a Joemarin 17 should approach the vessel as they would any fiberglass boat approaching its fifth decade. While the hull is known for being overbuilt, specific areas require attention:

  1. Keel Attachment and Sump: Given that this is a fixed-keel boat often used in rocky coastal waters like those in Finland and Sweden, the keel-to-hull joint should be inspected for "smile" cracks or signs of hard grounding.
  2. Deck Delamination: Like many boats from the 1970s, the Joemarin 17 uses a cored deck construction (often balsa or plywood). Check for soft spots around the chainplates, mast step, and pulpit moorings where water ingress may have compromised the core.
  3. Rudder Bushings: The transom-hung or semi-protected rudder can develop play in the bushings over time. While not a structural failure, it can lead to a vibrating or "clunky" feel at the tiller.
  4. Window Seals: The original rubber gaskets on the cabin portlights are prone to UV degradation. Leaks here are common and can lead to aesthetic damage to the interior wood trim.
  5. Rigging Fatigue: If the standing rigging is original, it is well past its design life. Inspect the swage fittings for hairline cracks or "meat hooks" in the wire.

Community & Resources

The Joemarin 17 enjoys a dedicated following within the broader Finnish sailing community. While there is no longer a formal factory association, the boat is frequently discussed within the context of Hans Groop’s designs. Information can often be found through the Finnish H-Boat Association or general Nordic classic boat forums. Technical specifications and historical context are occasionally archived by maritime heritage groups in Joensuu, where the Joemarin OY shipyard was originally located.

The Verdict

The Joemarin 17 is a specialized vessel that appeals to those who value seaworthiness over speed and stability over portability. It is a true sailor's small boat, offering a level of confidence in open water that few contemporary 17-footers can match.

Pros

  • Exceptional Stability: Fixed keel and high ballast ratio provide a safe, secure platform.
  • Designer Pedigree: Hans Groop’s hull design ensures excellent tracking and balance.
  • Overnight Capability: An enclosed cabin with two berths makes weekend cruising feasible.
  • Build Quality: Finnish construction standards from this era are generally high.

Cons

  • Weight: At roughly 650kg, it requires a substantial trailer and is not as easily launched as a centerboard dinghy.
  • Light Air Performance: The heavy displacement makes it sluggish in very light winds compared to modern daysailers.
  • Age: Most units will require some level of restoration, particularly regarding deck cores and seals.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
265 lbs (Iron)
Displacement
1036 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
17.08 ft
Waterline Length (LWL)
15.75 ft
Beam
6.58 ft
Draft
1.58 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
-
E (Main Foot)
7.72 ft
I (Foretriangle Height)
-
J (Foretriangle Base)
5.91 ft
Forestay Length (est)
-
Sail Area
130 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
20.31
Ballast / Displacement Ratio
25.58
Displacement / Length Ratio (D/L) Ratio
118.38
Comfort Ratio
8.05
Capsize Screening Formula
2.6
Hull Speed
5.32 kn